AOAC Final Action Methods in 2017
550 P ACQUETTE & T HOMPSON : J OURNAL OF AOAC I NTERNATIONAL V OL . 101, N O . 2, 2018
Table 4. ( continued )
Sample
1 a
2 b
3 c
4 d
5 e
6 f
Parameter
S r
0.00037 0.00052
0.00044 0.00068
0.00048 0.00069
0.000082
0.000043
0.00035 0.00042
S R
0.00015
0.00011
h
7.27 h
44.80 63.30
3.08 4.78
3.58 6.44
1.98 5.20
4.30 5.18
RSD r RSD R
h
10.40 h 0.0014 0.0019
Repeatability limit r (r = 2.8 × s r ) Reproducibility limit R (R = 2.8 × s R )
0.0010 0.0015
0.0012 0.0019
0.0002 0.0004
0.0001 0.0003
0.0010 0.0012
HorRat value
1.9
0.22
0.43
0.23
0.18
0.22
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Repeatability limit SMPR for products Reproducibility limit SMPR for products
5
5
5
5
5
5
10
10
10
10
10
10
Sodium
Year of interlab test
2016
2016
2016
2016
2016
2016
No. of labs submitting results
10
10
10
10
9 2
10
No. of outliers (individual replicates)
0
0
0
0
0
No. of accepted results
20
20
20
20
16
20
Overall mean of all data (grand mean) g
243
1014
868
37.5 0.35 1.73 0.94 4.62 0.99 4.85 0.70
33.6 0.59 1.07 1.76 3.18 1.66 2.99 0.48
265
S r
7.87
17.85 79.40
11.46 156.2
3.37
12.68
17.15
S R
3.24 5.22
1.76 7.83
1.32
1.27 6.47 9.42
RSD r RSD R
h
18.00
Repeatability limit r (r = 2.8 × s r ) Reproducibility limit R (R = 2.8 × s R )
22.04 35.52
49.97 222.3
32.08 437.5
48.01
HorRat value
1.06
1.96
4.41
1.32
Repeatability limit SMPR for products Reproducibility limit SMPR for products
5
5
5
5
5
5
10
10
10
10
10
10
Phosphorus
Year of interlab test
2016
2016
2016
2016
2016
2016
No. of labs submitting results
10
8 4
9 2
10
10
10
No. of outliers (individual replicates)
0
0
0
0
No. of accepted results
20
12
16
20
20
20
Overall mean of all data (grand mean) g
26.1 1.18 1.54 4.53 5.89 3.31 4.30 0.85
867
983
95.0 1.54 3.73 1.62 3.93 4.31
87.5 1.71 4.85 1.95 5.54 4.78
516
S r
10.06 50.29
14.35 180.9
13.93 30.34
S R
1.16 5.80
1.46
2.70 5.88
RSD r RSD R
h
18.40
Repeatability limit r (r = 2.8 × s r ) Reproducibility limit R (R = 2.8 × s R )
28.16 140.8
40.19 506.4
39.01 84.95
10.45
13.57
HorRat value
1.42
4.59
0.69
0.96
1.33
Repeatability limit SMPR for products Reproducibility limit SMPR for products
5
5
5
5
5
5
10
10
10
10
10
10
Iron
Year of interlab test
2016
2016
2016
2016
2016
2016
No. of labs submitting results
10
9 4
10
10
9 5
9 2
No. of outliers (individual replicates)
2
1
2
No. of accepted results
18
14
19
18
13
16
Overall mean of all data (grand mean) g
0.0279 0.0052
0.183
0.300
0.0171 0.0006
0.0274 0.0004
0.6557 0.0090
S r
0.0083
0.0153 0.082 5.10 h 27.40 h
S R
0.011
0.013
0.006
0.002
0.017
h
18.70 39.90 0.015 0.031
4.56 7.12
3.71
1.37 5.53
1.38 2.60
RSD r RSD R
h
37.60 h 0.002 0.018
Repeatability limit r (r = 2.8 × s r ) Reproducibility limit R (R = 2.8 × s R )
0.023 0.036
0.043 0.230
0.001 0.004
0.025 0.048
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